Page MenuHomePhabricator
Create Task
Maniphest T143537

Wildcard queries return poorly ranked results with bm25 & query independant factors applied as a weighted sum
Closed, ResolvedPublic
Actions

Description

Identified by Trey on en-wp-bm25-relforge.wmflabs.org, results are significantly worse.
Mainly because results are ranked by query independent factors rather than title vs content match.

Details

ProjectBranchLines +/-Subject
mediawiki/extensions/CirrusSearchmaster+23 -1Use top_terms_blended_freqs with FullTextSimpleMatchQueryBuilder
Customize query in gerrit

Event Timeline

dcausse created this task.Aug 22 2016, 8:22 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptAug 22 2016, 8:22 AM
dcausse added a project: CirrusSearch.Aug 22 2016, 8:22 AM
Restricted Application added projects: Discovery, Discovery-Search. · View Herald TranscriptAug 22 2016, 8:22 AM
dcausse removed a project: Discovery-Search.Aug 22 2016, 8:22 AM
gerritbot added a subscriber: gerritbot.Aug 22 2016, 8:23 AM

Change 305666 had a related patch set uploaded (by DCausse):
Use top_terms_blended_freqs with FullTextSimpleMatchQueryBuilder

https://gerrit.wikimedia.org/r/305666

gerritbot added a project: Patch-For-Review.Aug 22 2016, 8:23 AM
dcausse claimed this task.Aug 22 2016, 8:24 AM
dcausse moved this task from Incoming to Needs review on the Discovery-Search (Current work) board.
gerritbot added a comment.Aug 22 2016, 4:43 PM

Change 305666 merged by jenkins-bot:
Use top_terms_blended_freqs with FullTextSimpleMatchQueryBuilder

https://gerrit.wikimedia.org/r/305666

ReleaseTaggerBot added a project: MW-1.28-release (WMF-deploy-2016-08-23_(1.28.0-wmf.16)).Aug 22 2016, 5:00 PM
EBernhardson moved this task from Needs review to Needs Reporting on the Discovery-Search (Current work) board.Aug 23 2016, 4:36 PM
debt closed this task as Resolved.Sep 1 2016, 8:54 PM
Content licensed under Creative Commons Attribution-ShareAlike 3.0 (CC-BY-SA) unless otherwise noted; code licensed under GNU General Public License (GPL) or other open source licenses. By using this site, you agree to the Terms of Use, Privacy Policy, and Code of Conduct. · Wikimedia Foundation · Privacy Policy · Code of Conduct · Terms of Use · Disclaimer · CC-BY-SA · GPL